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While blondes are [[DumbBlonde foolish]] or [[HairOfGoldHeartOfGold innocent]] and redheads tend to be [[FieryRedhead aggressive]] and {{evil|Redhead}}, blue hair depicts a person being either shy or nervous, or even both. Either way, blue hair is [[YouGottaHaveBlueHair very common in fiction]], particularly in {{anime}}, and if the character has special powers, they are usually associated with [[MakingASplash water]][=/=][[AnIcePerson ice]]. Because of this, they are often paired with, or contrasted with, [[RedOniBlueOni a redhead or someone with fire powers or a very strong and passionate personality]].

Interestingly, these people also tend to be the most [[TheSpock rational]] or [[TheSmartGuy intelligent]] in the group, perhaps because being socially timid is associated with bookworms. Sometimes, they seem very aloof and stoic, tending not to make any friends of their own. If they are, they are usually revealed as having a kind, friendly nature. In this way, they are the direct opposite of a FieryRedhead. A RedOniBlueOni pairing can be made with them by making the redhead brash, strong, and passionate, and the blue one calm, quiet, and down-to-earth.

A SubTrope of YouGottaHaveBlueHair and ShrinkingViolet. A SuperTrope to ReiAyanamiExpy. Compare TrueBlueFemininity.

[[noreallife]]----!!Examples

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[[folder:Anime and Manga]]* Aoi Sakuraba from ''Manga/AiYoriAoshi'', appropriately enough. This is in contrast to her [[{{Tsundere}} fiery]] guardian, Miyabi, who has purple/mauve hair.* Nagisa from ''Manga/AssassinationClassroom'' is a male example, albeit [[DudeLooksLikeALady one who looks like a girl]], even to the point of [[WholesomeCrossdresser dressing up as one for a mission]]. He is a reserved, polite, and quiet boy, in stark contrast to his best friend and FieryRedhead Karma in a RedOniBlueOni sort of relationship. Nagisa is careful and contemplative versus Karma's brash, outgoing aggressiveness. [[spoiler:Nagisa is also a phenomenally bloodthirsty assassin and hides it ''very'' well.]]* Violette of ''Anime/{{Basquash}}'' is the shy, busty TeamMom compared to her band and teammates, the excitable loli Citron and mildly HotBlooded ActionGirl Rouge.* [[GenderInvertedTrope Male example]]: Aichi from ''Anime/CardfightVanguard''.* Hiwatari Satoshi from ''Manga/DNAngel'', another male example.* Yoshino from ''LightNovel/DateALive'', in addition to being AnIcePerson, is extremely shy and soft-spoken. She deals with this by communicating through her hand puppet 'Yoshinon' whenever the situation calls for a more extroverted approach.* Rinna Charat from ''Panyo Panyo Anime/DiGiCharat''.* For a male example, Ichijouji Ken of ''Anime/DigimonAdventure02'' fits - the boy genius becomes rather shy some time after his HeelFaceTurn.** He gets better about this later, if the image songs and drama [=CDs=] are any indication.** Same goes for Kimura Kouichi from ''Anime/DigimonFrontier''.* Eureka from ''Anime/EurekaSeven''.* ''Manga/FairyTail'': [[CuteBookworm Levy]] and [[MakingASplash Juvia]] both have blue hair. Levy is the smart and friendly type and Juvia has water powers, but also seems to be shy at times, at least around [[LoveInterest Gray]]. ** [[ShrinkingViolet Wendy]] is another example, being very innocent.** Yukino also fits this profile. Shy? Check. Intelligent? Check. Water powers? One of her Celestial Spirits is Pisces, the Fish. Blue hair? Check, though it is a much lighter shade of blue than Levy, Juvia, and Wendy.* Yuki, plays this trope very straight in the movie ''Disappearance of LightNovel/HaruhiSuzumiya''. Her normal personality is more debatable. Though seemingly an EmotionlessGirl, she has started showing some signs of emotion, including social awkwardness. Although some people claim her hair is a pale gray, it can also be seen as pale blue.** In comparison, Asakura Ryoko has the hair and eyes, but her personality does not fit any of the traits above. [[spoiler:Given that she, like Yuki, is an ArtificialHuman, perhaps this was an intentional contrast?]]** The spinoff series ''Manga/TheVanishingOfNagatoYukiChan'', being set in the Disappearance verse, also plays this very straight. Maybe even moreso, because we get to see more of Nagato's shyness firsthand.* Brought up in the company of adults ever since he was young, Touya Akira from ''Manga/HikaruNoGo'' tends to be somewhat awkward and shy around peers his own age. Although his hair is green in the anime adaptation, the manga colouration tends toward a dark blue tint.* Sara from ''Anime/JewelpetTwinkle'' has blue hair and is aloof and introverted, but is not really ''shy''; she is, in fact, quite the snarker.* Chrome Dokuro from ''Manga/KatekyoHitmanReborn''. [[spoiler:Though she shares her body with a man who is more psycho than shy...]].* Shinobu Maehara of ''Manga/LoveHina''. Blue hair? Check. Super-shy? Check.* In ''Manga/LuckyStar'', Konata's mother, Kanata, fits this trope, in contrast with her daughter, who does not (due to her father's influence).* Subaru Nakajima from ''Anime/MagicalGirlLyricalNanohaStrikerS'' may look like [[GenkiGirl an inversion]] at first, but if you read [[AllThereInTheManual the supplementary manga]], you will discover that she actually started off as a textbook example of this trope and, [[CharacterDevelopment over the years, developed]] into someone much more confident and outgoing, thanks to her idol, Nanoha, and her partner, Teana. As ''NanohaForce'' flashbacks reveal, however, she still reverts to her people-shy ways when [[HeroicBSOD emotionally hurt]].* Due to an AdaptationDyeJob, this is inverted with Yue Ayase in ''Manga/MahouSenseiNegima''. Starting out in the manga, she has blue hair with a [[TheSnarkKnight cynical]] personality obsessed with philosophy, but eventually moves farther towards shy once she begins getting closer to Negi and her hair is changed to purple.** Nodoka Miyazaki in ''NegimaSecondSeason'' gets blue hair (as opposed to the other series where she is a literal ShrinkingViolet) and is really shy, a [[CuteBookworm bookworm]], and thinks with her head.* Beginner from ''Anime/MonColleKnights'' has the blue hair and every opposite personality trait: extroverted, cheery, overly-relaxed in crisis situations, and the least intelligent member of the recurring cast. She can employ three out of the four cardinal elements, water being the exception.* Akira Sakura from ''Manga/NaruTaru'' is about as shy as this trope can get, to the point of suicidal {{Deconstruction}}. It turns out that she is shy and nervous because of [[spoiler:sexual abuse at the hands of her father combined with a crippling social phobia.]]* Hinata Hyuuga of ''Manga/{{Naruto}}''. Has blue hair, is terribly shy and lacking confidence.* Rei Ayanami from ''Anime/NeonGenesisEvangelion''. To the point where her choosing to interact with anyone is greeted with either shock and/or fear.* Saya from ''Manga/PeacemakerKurogane'', though her being shy might also have something to do with the fact that she's mute and can't say anything, even if she wanted to.* Miki Kaoru from ''RevolutionaryGirlUtena'' is a male example, being a gender-switched {{Expy}} of Ami Mizuno down to the same voice actress. Interestingly enough, his twin sister Kozue does ''not'' fit this trope.* Mizure Shirayuki from ''Manga/RosarioToVampire''; her is normally bluey-purple, but it does go full blue when she's AnIcePerson.* Ami Mizuno from ''Franchise/SailorMoon'' is probably the best known example of this trope. She meets many of the trope's key traits. Upon her introduction, she's the aloof genius girl rumored to have an IQ of 300 (and is, in fact, at the top of the Rankings in exams for the entire country). Upon actually revealing her character, it's also revealed she's not aloof, just shy, and because she's so smart, other people stay away from her instead of the other way around. The [[Series/PrettyGuardianSailorMoon live-action]] has her come out of her shell by being befriended by Usagi and the others as a plot point. The fact that she has [[MakingASplash powers over water]] is just [[StealthPun icing]] on the cake. She's also sort of paired up with the [[PlayingWithFire fiery]] (in more ways than one) Rei due to the fact that Rei is the 3rd member to join the team and the two are Usagi's only reliable allies until Jupiter joins the team about 10 episodes later.** [[Anime/SailorMoon R season]]: first, in [[spoiler:Bertier's HeelFaceTurn episode]], the sponsor of a chess tournament speaks to Ami and notes how she used to be alone all the time, but now has made so many friends. Later, a MonsterOfTheWeek exploits Ami's secret insecurities to first frame her for cheating at exams (something that's serious business for her since she's the smartest girl in Japan), then try [[MindRape mind raping]] and brainwashing her into attacking her teammates. Finally, the R movie has her recalling how other kids used to trash talk her behind her back, thinking she was an InsufferableGenius - until Usagi came along and forced her out of her shell.** In ''S'', Ami is greatly upset at the prospect of being seen only as TheSmartGuy of the group and needs Mamoru, Michiru, and Usagi's support to try to dispel it...and she becomes the target of the MonsterOfTheWeek, which is after Ami's Pure Heart Crystal. In a TearJerker scene, when the monster mocks Ami's loneliness, Usagi stands up for her and tearfully declares how important Ami is for her.** In ''Stars'', during her and Haruka's team-up, Ami remembers how, as a little girl, she wanted to play basketball, but the girls didn't dare to ask her join the team since she had too much to do, leaving her alone and sad. [[spoiler:In a subversion, Ami later recalls how she became TheStrategist of the team, which lets her find the HeroicResolve to deliver the strategy that lets her and Haruka/Uranus win the fight.]]** Averted with SmugSnake Cyprine from the S season (who still pretended to be one) and with Palla Palla from Super S, who was a very childish GeniusDitz.* Shin from ''AudioPlay/SaintBeast'' is a male example being the intelligent and aloof-but-nice type.* Tsubasa Kazanari in the beginning of ''Anime/SenkiZesshouSymphogear'' is shown as a terribly shy girl that's nervous even before her concert, with her FieryRedhead partner Kanade Amou doing most of the talking and action and encouraging her. Then Kanade dies in front of her, and Tsubasa does away with the shyness and [[TookALevelInJerkass becomes a stiff, serious, cold fish]]. Over the series, she began [[DefrostingIceQueen mellowing her cold phase]] and becomes a CoolBigSis to her 'juniors' in the same vein of Kanade to her, but the shyness is completely removed.* ''Anime/ShamanicPrincess'': Although Lena's hair is actually green and Sara's is actually light purple, they both fit this trope as they are usually gentle and quiet-natured.* Aria from ''LightNovel/SisterPrincess'' is probably the most shy of all her sisters.* Sora in ''{{Sketchbook}}'' is so shy, most of her dialogue (all of it in the manga!) is InnerMonologue.* A potential [[SpearCounterpart male example]]: Simon from ''Anime/TengenToppaGurrenLagann''. But [[HotBlooded given the nature of the show though]], he [[HeroicBSOD quite]] [[HesBack Giga]] [[TookALevelInBadass Drilled]] his way out of the mold pretty quickly.* Zashiki Warashi in ''Anime/{{xxxHolic}}''.[[/folder]]

[[folder:Films -- Animation]]* Averted with ''WesternAnmation/{{Coraline}}'', who is very outgoing. Her hair is [[DyeHard naturally]] and [[AdaptationDyeJob originally]] brown, however.* In ''WesternAnimation/TheIncredibles'', Violet is the only one in her family with black hair with plenty of blue highlights, and she's also the only one who is shy.* ''WesternAnimation/InsideOut'' has, naturally, Sadness, who is blue all over, always apologizing, and a bookworm, since Joy never allows her to do anything besides study the brain manuals. Averted by Joy, who also has blue hair, but is the complete opposite of Sadness.[[/folder]]

[[folder:Video Games]]* Pieda in ''BatenKaitos Origins'' is an example of the "smart and friendly" variant, thus fitting this trope perfectly despite not really being that shy, except, arguably, by comparison to her TrueCompanions.* Flora (or Nera in the DS remake) from ''VideoGame/DragonQuestV'' is this.* March from ''VideoGame/EternalSonata''. She is more reserved than her sister but no more shy.* Subverted by both Florina and Farina in ''VideoGame/FireEmblem''. Farina is blue haired, but is an outspoken GoldDigger. Florina is violet haired, but fits the shy ShrinkingViolet part.** The WhiteMagicianGirl Ninian, however, plays this almost perfectly straight. Her hair is more cyan than properly blue, but she is very humble and kind and has quite the problems interacting with people.** Played a little straighter with a ''male'': Seliph from ''[[VideoGame/FireEmblemJugdral Genealogy of the Holy War]]'' is quite the badass fighter, but is also extremely humble as a person and kinda scared of the prospect of being TheChosenOne at the beginning.** King Pelleas from ''VideoGame/FireEmblemTellius'' is ''very'' much a RareMaleExample. [[BreakTheCutie And boy, does he suffer for it]].** In FireEmblemAwakening, this is averted. Outta [[TheThreeFacesOfEve the three prospect daughters]] for Prince Chrom, who will all inherit his blue hair, ''neither'' fit in: Cynthia is a GenkiGirl, Kjelle is a {{Tomboy}}, and [[spoiler: Lucina]] is more serious than shy. [[spoiler: And if Lucina is the mother of girl!Morgan, she also averts it by being another GenkiGirl]]. *** Boy!Morgan ''may'' [[RareMaleExample fit in]] if he's fathered by either Chrom, Virion or [[spoiler: Priam]], though.*** If a blue-haired Avatar has daughters, only Noire will be a straightforward example. Though [[LovableCoward Yarne]] could potentially be a RareMaleExample, even if he only has a blue streak on his fur. **** Noire and Yarne might fit if either is fathered by Virion, too.* Dizzy from the ''VideoGame/GuiltyGear'' series.* ''[[Franchise/HarvestMoon Harvest Moon]]'' games are pretty much guaranteed to have one of these, especially "classic" ones.** Candace from ''[[VideoGame/HarvestMoonTreeOfTranquility Tree of Tranquility]]'' and ''[[VideoGame/HarvestMoonAnimalParade Animal Parade]]'' is probably the biggest example.* Liara from ''Franchise/MassEffect''. Although she has [[RubberForeheadAliens tentacles protruding from her head instead of actual hair]], she could fit this trope indefinitely. Doubles as FridgeBrilliance in that although her entire race consists of [[GreenSkinnedSpaceBabe blue/purple/green space babes]], she is one of the few whose skin is a lighter shade of blue.* Another subversion comes from ''NeedForSpeed : Carbon''. Yumi from Bushido is blue-haired, yet has a cheery personality.* Fuuka Yamagishi in ''VideoGame/{{Persona 3}}''. Hers is more of a teal colour, though.** Despite her hair color bordering on being black, Naoto Shirogane of ''VideoGame/{{Persona 4}}'' is this as well, albeit very covertly. [[spoiler:The {{Moe}} factor of her shyness combined with the female vote was enough to earn her the winning spot in the school's beauty pageant, despite the fact that she ditched right before the swimsuit portion!]]* [[VideoGame/SuperRobotWarsAlpha Kusuha Mizuha]] from ''VideoGame/SuperRobotWars''.** [[VideoGame/SuperRobotWarsReversal Despinis]], even more so.** Both are trumped by [[TheWoobie Latune/Latooni Subota]], though her hair is more lavender than blue.** And turning the trope on its ear are [[VideoGame/SuperRobotWarsAlpha Sleigh Presty]] and [[VideoGame/SuperRobotWars3 Aguija]]. They both have the blue hair, but Sleigh is a {{Jerkass}} [[TheRival Rival]] to her counterpart, Ibis Douglas, and Aguija is something of a HotBlooded DarkActionGirl.* ''VideoGame/{{Touhou}}'' has a number of blue/indigo-haired characters, but the {{kappa}} Nitori Kawashiro, a GadgeteerGenius who wants to be friends with humans but is incredibly shy around them, is the one who plays this straightest...at least in her first appearance in the tenth game, ''Mountain of Faith''. She's [[CharacterizationMarchesOn become increasingly more outspoken with each appearance she's made]], becoming somewhat impatient in ''Subterranean Animism'' before [[TookALevelInJerkass taking a level in jerkass]] in ''Hopeless Masquerade''.* ''VideoGame/PokemonXandY'' Evelyn from the battle maison the least confident of the four girls and has blue hair to match.* Feena of ''VideoGame/{{Ys}}'' is another TropeCodifier and was Japan's ''original'' shy girl with blue hair that you were [[{{Moe}} supposed to feel protective of]].** Isha in ''Ys VI''.[[/folder]]

[[folder:Visual Novels]]* Vera Misham in ''ApolloJusticeAceAttorney'' hardly speaks and doesn't leave the house if she can possibly avoid it.* Issei Ryudo in ''VisualNovel/FateStayNight'' is a male example. He's blue-haired, the most rational of the normal characters, and while almost all of his appearances are with his best friend, Shirou Emiya, he's said to be very shy.* Averted with Shizune Hakamichi from KatawaShoujo, who is blunt and outspoken -- despite being deafmute. Still worth noting, though, as when they're introduced, Hisao ''thinks'' she's one of these until she "opens her mouth," so to speak. The most shy girl in the cast, Hanako Ikezawa, has ''purple'' hair.* Mio from ''LittleBusters'' is a very quiet, soft-spoken girl with an [[EmotionlessGirl emotionless]] personality who is almost always found sitting and [[CuteBookworm reading]] on her own at the back of the school before Riki comes across her. He even notes at one point that, in complete contrast to him who defines himself by his ChildhoodFriends, she seems to long to be truly alone, and her presence is so low that people often seem to forget she even exists. Her route provides an explanation for all of this.[[/folder]]

[[folder:Webcomics]]* Araceli of ''Webcomic/HazardsWake'' is very much this, though the shyness probably comes from being locked in a tower for most of her life.* Waterfall in ''Webcomic/AntiHeroForHire''. She's by far the nicest of her 5 girl band. [[BewareTheNiceOnes Except when she isn't...]]* Mai Saito in ''Webcomic/MitadakeSaga''.* Tedd Verres in ''Webcomic/ElGoonishShive'' is a perfect male version of this, although it's purple hair instead of blue. He was especially shy during his younger years, though he has opened up somewhat since then. He is the smartest of the group and is constantly inventing or experimenting on stuff. And, for bonus points, [[GenderBender he frequently transforms himself into a girl for fun]].* Emily [=McArthur=] in ''Webcomic/{{Misfile}}'' is this to some degree. She has blue hair and is very intelligent, having already been accepted to Harvard [[spoiler:before two years of her life were erased]]. She is only a little shy and it's not a large facet of her personality, but she [[RedOniBlueOni definitely pairs well]] with [[RedHeadedHero Ash]].* Mecha Maid from ''Webcomic/{{Spinnerette}}'', while outgoing in her superhero guise, is extremely reserved outside of it. It doesn't help that she is [[spoiler:physically incapable of being very expressive without her suit]]. She is a genius researcher and inventor, and her superhero wig is purple.* Kimiko Ross in ''Webcomic/DresdenCodak'' fits this trope to a T. She is easily one of the smartest people in an already highly advanced world, and is extremely logic-driven. She is constantly inventing crazy advanced technology, and even [[spoiler:created several advanced prostheses for herself after getting half her body blown up]]. On top of that, she is very socially handicapped when it comes to new relationships, acting very clumsy and shy around boys she is interested in. And her hair is bluish black.* Taken further by Cherry Trau of ''Webcomic/{{Superego}}''. Each character has a ColorMotif associated with them, and not only their hair but their [[AmazingTechnicolorPopulation bodies]] will be that color. Cherry's is, of course, blue, and she's very much a ShrinkingViolet. [[spoiler:In fact, she has [[HollywoodPersonalityDisorders Avoidant Personality Disorder]].]]* Jolene “Brooksie” Brooks of ''BetweenFailures''. From the cast page: ''She is shy, yet can be outgoing once she gets comfortable with her surroundings.''[[/folder]]

[[folder:Western Animation]]* Stormer and Shana from ''WesternAnimation/{{Jem}}'' certainly qualify. Aja, however, does not.* Mitsuki from ''WesternAnimation/KappaMikey''.* Little Miss Shy from the 'Mr. Men and Little Miss' books and TV series doesn't have blue hair, but her BODY color is blue.* ''WesternAnimation/TheSimpsons'' has Marge Simpson, most notably during her college days.* Sapphire from ''WesternAnimation/{{Trollz}}''.* ''WesternAnimation/{{WITCH}}'': Taranee. Averted with Hay Lin.[[/folder]]